US8831502B2 - Image forming apparatus with dual operating locations - Google Patents

Image forming apparatus with dual operating locations Download PDF

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Publication number
US8831502B2
US8831502B2 US12/222,075 US22207508A US8831502B2 US 8831502 B2 US8831502 B2 US 8831502B2 US 22207508 A US22207508 A US 22207508A US 8831502 B2 US8831502 B2 US 8831502B2
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United States
Prior art keywords
image reading
image
sheet
forming apparatus
image forming
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related, expires
Application number
US12/222,075
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English (en)
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US20090060612A1 (en
Inventor
Tasuku Kohara
Takashi Inoue
Kazuo Koike
Kenichi Yamada
Taisuke Omi
Tsuyoshi Endoh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Assigned to RICOH COMPANY, LTD. reassignment RICOH COMPANY, LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ENDOH, TSUYOSHI, INOUE, TAKASHI, KOHARA, TASUKU, KOIKE, KAZUO, OMI, TAISUKE, YAMADA, KENICHI
Publication of US20090060612A1 publication Critical patent/US20090060612A1/en
Application granted granted Critical
Publication of US8831502B2 publication Critical patent/US8831502B2/en
Expired - Fee Related legal-status Critical Current
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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/65—Apparatus which relate to the handling of copy material
    • G03G15/6502—Supplying of sheet copy material; Cassettes therefor
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/50—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
    • G03G15/5016—User-machine interface; Display panels; Control console
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/1604—Arrangement or disposition of the entire apparatus
    • G03G21/1614—Measures for handling of apparatus by disabled persons
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00016—Special arrangement of entire apparatus

Definitions

  • the present invention generally relates to image forming apparatuses having an image reading unit for reading an original manuscript image or an operating panel for entering operation instructions and the like. More particularly, the invention relates to the installation of an image reading unit or an operating panel in an image forming apparatus in a manner accommodating users with various bodily characteristics, such as different heights or the use of a wheel chair, to provide enhanced user-friendliness.
  • OA office automation
  • copy machines printers, facsimile machines, multifunction peripherals, and other image forming apparatuses
  • the height of their operating units are designed on the basis of someone of average height, and the height is typically fixed.
  • some users feel that the operating unit is inconvenient because the unit is located too high or when the user is on a wheel chair, for example.
  • Japanese Laid-Open Patent Application No. 2000-214731 discloses an image forming apparatus having an elevator unit for lifting or lowering the apparatus main body, so that the height of the image forming apparatus as a whole can be adjusted.
  • Japanese Laid-Open Patent Application No. 06-003881 discloses that an operating panel alone can be height-adjusted.
  • Japanese Laid-Open Patent Application No. 2005-010394 discloses that both an operating panel and an ejected sheet tray can be height-adjusted.
  • Japanese Laid-Open Patent Application No. 2005-099567 discloses that the image reading unit is separated from the image forming apparatus main body, and a height adjustment mechanism is provided for the image reading unit.
  • Japanese Laid-Open Patent Application No. 2005-300872 discloses that the height of both an image reading unit and an operating panel can be adjusted.
  • the height adjustment mechanisms enable vertical adjustment, the downward movement is limited. Namely, the operating panel cannot be positioned lower than the total height of sheet cassettes, an image forming unit, and the image reading unit due to the physical configuration of the image forming apparatus. Particularly, it has been difficult for wheel-chair users to make sure that an original manuscript has been correctly placed on the original manuscript stand of the image reading unit, or to operate the operating panel while monitoring information displayed thereon. Thus, a need has been felt for improving the convenience of the operating panel and the image reading unit.
  • a more specific object is to provide an image forming apparatus in which the height of an image reading unit and an operating panel is adjusted in order to facilitate their operations depending on the physical characteristics of a user, such as his height, or the use of a wheel chair.
  • the invention provides an image forming apparatus comprising a first image reading unit disposed at an upper portion of a main body of the image forming apparatus; and a second image reading unit disposed at a lateral portion of the apparatus main body.
  • the second image reading unit includes a unit configured to establish a first state for transporting an original manuscript for image reading, and a second state for transporting a transfer sheet that is manually fed for image formation by the apparatus main body.
  • the second image reading unit has an automatic transport function for transporting the original manuscript for image reading and includes a first tray unit for placing the original manuscript prior to image reading, and a second tray unit into which the original manuscript after image reading is ejected.
  • the first and the second tray units can be set in a stored state in which the first and the second tray units are closed toward the surface of the apparatus main body on which the second image reading unit is mounted, or in an image-reading state in which the first and the second tray units are opened away from the mounted surface.
  • At least one of the first and the second tray units can be set in a third state that differs from either the stored state or the image-reading state, for transporting the transfer sheet that is manually fed.
  • first and the second tray units are configured to open or close in a corresponding manner.
  • the image forming apparatus further comprises an operating unit disposed near each of the first and the second image reading units and configured to exchange information with the apparatus main body.
  • the operating units are operated in a mutually exclusive manner depending on the operating status of the first and the second image reading units.
  • FIG. 1A is a perspective view of a conventional image forming apparatus
  • FIG. 1B is a perspective view of an image forming apparatus according to an embodiment of the present invention in which a lateral unit is provided;
  • FIG. 2A shows a user A on a wheel chair trying to operate the conventional image forming apparatus of FIG. 1A ;
  • FIG. 2B shows the user A on a wheel chair using the image forming apparatus equipped with the lateral unit according to the embodiment of FIG. 1B ;
  • FIG. 3 shows an ejection path for an original manuscript sheet transported by a second ADF in the lateral unit
  • FIG. 4A shows a first state of an original manuscript sheet in an ejection path in the lateral unit in the case of a both-side reading
  • FIG. 4B shows a second state of the original manuscript sheet in the ejection path
  • FIG. 4C shows a third state of the original manuscript sheet in the ejection path
  • FIG. 4D shows a fourth state of the original manuscript sheet in the ejection path
  • FIG. 4E shows a fifth state of the original manuscript sheet in the ejection path
  • FIG. 5A shows a transport path M for the manual feeding of a transfer sheet
  • FIG. 5B shows a transport path S for the reading of an original manuscript sheet
  • FIG. 6 shows a flowchart of an operation of the image forming apparatus according to the present embodiment.
  • FIG. 7 shows a control block diagram of the image forming apparatus according to the present embodiment.
  • FIG. 1A is a perspective view of a conventional image forming apparatus including an upper unit 35 .
  • the upper unit 35 includes an automatic document feeder (ADF) 1 for sending an original manuscript to a scanner unit, an operating panel 2 as an operating unit for exchanging information with an apparatus main body, and a scanner 3 for reading the original manuscript.
  • ADF automatic document feeder
  • the image forming apparatus further includes a printer 8 (which is built inside the main body and thus invisible in the drawing) for outputting an image, an ejected sheet tray 7 , and a sheet feeding tray 9 .
  • the apparatus main body comprises, from the bottom, the sheet feeding tray 9 (which has four stacks in the drawing), the image forming unit (printer 8 ), the ejected sheet tray 7 (which may not be present, depending on the type of the apparatus), the image reading unit (scanner 3 ), and the ADF 1 .
  • FIG. 1B shows an image processing apparatus according to an embodiment of the invention.
  • a lateral unit 49 that includes a second ADF 4 , a second operating panel 5 , and a second scanner 6 is disposed on the side of the apparatus main body to enable a user to operate the image reading unit including the ADF and the operating panel at a low position.
  • FIG. 2A illustrates how a user A on a wheel chair typically operates the conventional image forming apparatus of FIG. 1A . Because of the presence of the user's legs (the foot-rest portion X of the wheel chair), the user A has difficulty accessing the upper unit 35 , such as the ADF 1 , the operating panel 2 , and the scanner 3 . Thus, the user A is faced with problems such as that he cannot place an original manuscript easily, read the information displayed on the operating panel 2 , or operate the operating panel 2 .
  • the lateral unit 49 including the second ADF 4 , the second operating panel 5 , and the second scanner 6 is positioned on the lateral surface of the image processing apparatus (see FIG. 1B ).
  • the height of an operating range for the upper unit 35 may be approximately 110 to 120 cm, whereas the height for the lateral unit 49 may be approximately 65 to 80 cm.
  • a user without a wheel chair can operate the upper unit 35 in the conventional way, i.e., looking downward when operating the operating panel 2 or setting an original manuscript on the ADF 1 .
  • the user A on the wheel chair operates the lateral unit 49 , as shown in FIG. 2B , the user A can see the second operating panel 5 directly in front of his eyes, or set an original manuscript on the second ADF 4 looking downward.
  • the operation is greatly facilitated for the user A on the wheel chair.
  • the lateral unit 49 includes sheet trays 53 and 54 .
  • the sheet trays 53 and 54 are normally housed within the second ADF 4 and are opened only when used. When one of the sheet trays 53 and 54 is opened (or closed), the other tray is automatically and correspondingly opened (or closed).
  • the operating panel 2 of the upper unit 35 is activated while the second operating panel 5 of the lateral unit 49 is deactivated in order to prevent an erroneous operation.
  • the second operating panel 5 is activated while the upper operating panel 2 is deactivated, assuming that the second ADF 4 and the second scanner 6 on the side are going to be used.
  • FIG. 3 shows a sheet ejection path along which an original manuscript is transported by the second ADF in the lateral unit 49 .
  • the original manuscript sheet prior to entry into the second scanner 6 is placed at a first position 10 .
  • the sheet is positioned at a second position 11 .
  • the original manuscript sheet is thus transported between the first position 10 and the second position 11 by an ejection roller 12 and first through third ejection roller pairs 13 , 14 , and 15 , along which the original manuscript is read by the second scanner 6 and information that is read is rendered into electronic information (first state).
  • the sheet ejection path in the case of a one-side reading of the original manuscript sheet is described.
  • the sheet is transported from the first position 10 via the first ejection roller pair 13 .
  • the original manuscript is read by the second scanner 6 and the information that is read is rendered into electronic information.
  • the sheet is then transported via the second ejection roller pair 14 and the third ejection roller pair 15 to the original manuscript second position 11 .
  • the original manuscript is transported by the third ejection roller pair 15 in the opposite direction and then the sides of the sheet are reversed by the second ejection roller pair 14 , in the second state.
  • the original manuscript is further sent to the original manuscript second position 11 , in the third state ( FIG. 4C ).
  • the fourth state in which the original manuscript is sent in the reverse direction via the third ejection roller pair 15 and the second ejection roller pair 14 to the ejection roller 12 ( FIG. 4D ), where the original manuscript sheet is read by the second scanner 6 on the opposite side, and the information that is read is rendered into electronic information.
  • the original manuscript is transported via the ejection roller 12 , the second ejection roller pair 14 , and the third ejection roller pair 15 to the second position 11 ( FIG. 4E ).
  • FIG. 6 shows a flowchart of the operations of FIGS. 5A and 5B .
  • FIG. 6 The flowchart of FIG. 6 is described with reference to FIGS. 5A and 5B .
  • the motor 56 (or 52 ) is activated to open the sheet tray 54 (or 53 ) in S 3 (or S 4 ), thus opening all of the trays 53 and 54 .
  • the upper unit 35 is deactivated and disabled, assuming that the upper unit 35 (including ADF 1 , operating panel 2 , and scanner 3 ) is not going to be used, while the lateral unit 49 (including second ADF 4 , second operating panel 5 , and second scanner 6 ) alone is activated and enabled (S 5 ).
  • step S 1 or S 2 upon detection of the closing of the sheet trays 53 and 54 (by sensor 51 or 55 ) in step S 1 or S 2 , because the lateral unit 49 is not going to be used, the lateral unit 49 is disabled and deactivated while the upper unit 35 alone is activated and made operable (S 6 ).
  • the angle of the sheet tray 54 and the first ejection roller pair 13 may be varied in two levels in order to distinguish between the feeding of an original manuscript sheet for image reading and the manual feeding of a transfer sheet for image formation.
  • the manual feeding is selected when the sheet tray 54 and the first ejection roller pair 13 are both open and set at the lower angle facing downward, as shown in FIG. 5A (corresponding to “Yes: 2 nd level” in S 2 ).
  • the manual feeding transport path M extends along the fourth ejection roller pair 50 in the apparatus main body onto the printer 8 (S 7 ).
  • FIG. 5B shows the original manuscript sheet transport path S that is selected when the sheet tray 54 and the first ejection roller pair 13 are open and in a first level facing upward, as also shown in FIG. 4 .
  • the sheet tray motor 52 is activated to close the sheet tray 53 .
  • FIG. 7 shows a control block diagram of the image forming apparatus 100 according to the present embodiment.
  • a message is displayed on a Liquid Crystal Display (LCD) 44 on the second operating panel 5 of the other unit, i.e., the lateral unit 49 , indicating that the second ADF 4 and the second scanner 6 are disabled. Entry of data on a key switch 41 and a touch panel 42 in the second operating panel 5 is invalidated.
  • LCD Liquid Crystal Display
  • a main body control unit 16 of the image processing apparatus 100 communicates with a control unit 20 of the operating panel 2 of the upper unit 35 via an operating panel control unit 17 as follows.
  • the operating panel 2 includes the control unit 20 , a memory unit 23 , the key switch 26 , the touch panel 27 , a Light Emitting Diode (LED) 28 , and the LCD 29 .
  • the key switch 26 which includes a hard key using a key matrix
  • the touch panel 27 which includes a soft key, provide operating buttons for the input of various information.
  • the LED 28 and the LCD 29 are used for displaying operating states or instructions from a device.
  • the control unit 20 of the operating panel 2 controls the aforementioned individual units centrally.
  • the control unit 20 also communicates with the memory unit 23 or the operating panel control unit 17 on the main body side to exchange input information or display data.
  • the main body control unit 16 of the image processing apparatus 100 communicates with a control unit 21 in a scanner 3 of the upper unit 35 via a scanner control unit 18 as follows.
  • the scanner 3 includes a lamp 32 as a light source required for reading an image, a contact image sensor (CIS)/charge coupled device (CCD) sensor 30 , a scanner motor 31 for operating the CIS/CCD sensor 30 , and a motor driver 24 for driving the scanner motor 31 .
  • the scanner control unit 18 outputs a control signal to the motor driver 24 , whereby the scanner motor 31 and the lamp 32 are operated.
  • the CIS/CCD sensor 30 provides image data that is fed to the control unit 21 .
  • the control unit 21 renders the image data into a video signal that is eventually transmitted to the main body control unit 16 .
  • the main body control unit 16 of the image processing apparatus communicates with a control unit 22 in the ADF 1 via an ADF control unit 19 as follows.
  • the ADF 1 includes the control unit 22 , the sheet position sensor 33 , an ejection roller 34 , and a motor driver 25 for driving the ejection roller 34 .
  • the control unit 22 Upon detection of placement of a sheet on the sheet position sensor 33 , the control unit 22 sends relevant information to the main body control unit 16 and thereafter receives from the main body control unit 16 an operation signal for the ejection roller 34 . The control unit 22 then sends a signal to the motor driver 25 to operate the ejection roller 34 .
  • the second operating panel 5 includes a control unit 36 , a memory unit 39 , the key switch 41 , the touch panel 42 , an LED 43 , and the LCD 44 .
  • the second scanner 6 includes a control unit 37 , a motor driver 40 , a CIS/CCD sensor 45 , a scanner motor 46 , and a lamp 47 .
  • the second ADF 4 includes a control unit 38 , a motor driver 57 , the sheet position sensor 48 , the ejection roller 12 , and the first through third ejection roller pairs 13 , 14 , and 15 .
  • the operating panels, the scanners, and the ADFs are provided at the two locations, i.e., in the upper unit 35 and in the lateral unit 49 , it is necessary to recognize and save information about individual states of each device in those units.
  • a memory unit is provided for each of the operating panel control unit 17 , the scanner control unit 18 , and the ADF control unit 19 .
  • the operating panels, the scanners, and the ADFs at the two locations can communicate with the individual control units in the main body and information about individual states can be saved in the individual memory units.
  • Each of the control units in the main body and the main body control unit 16 may communicate with each other in the same way as if the operating panels, the scanners, and the ADFs were provided at one location.
  • the configuration of each of the scanners, the operating panels, and the ADFs may be the same as in an existing system.
  • the present embodiment by providing the lateral unit 49 (including the second ADF 4 , the second operating panel 5 , and the second scanner 6 ) on the side of the apparatus main body, enhanced operability at a lower position can be achieved without adversely affecting the manual feeding function.
  • the present embodiment thus provides an image forming apparatus that can be easily operated by a user on a wheel chair or with a small height.
  • the image forming apparatus includes a second image reading unit disposed on the side of the apparatus main body.
  • a second image reading unit disposed on the side of the apparatus main body.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Facsimiles In General (AREA)
  • Electrophotography Configuration And Component (AREA)
US12/222,075 2007-09-04 2008-08-01 Image forming apparatus with dual operating locations Expired - Fee Related US8831502B2 (en)

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Application Number Priority Date Filing Date Title
JP2007-228874 2007-09-04
JP2007228874A JP5054469B2 (ja) 2007-09-04 2007-09-04 画像形成装置

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US8831502B2 true US8831502B2 (en) 2014-09-09

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190361381A1 (en) * 2018-05-28 2019-11-28 Ricoh Company, Ltd. Image forming apparatus
US20220103708A1 (en) * 2020-09-29 2022-03-31 Canon Kabushiki Kaisha Image forming apparatus

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JP5015072B2 (ja) * 2008-06-18 2012-08-29 株式会社リコー 入力装置及び画像形成装置
JP5053188B2 (ja) 2008-06-18 2012-10-17 株式会社リコー 入力装置及び画像形成装置
JP5569049B2 (ja) * 2010-03-11 2014-08-13 株式会社リコー 電子機器、表示装置、画像処理装置及び電子計算装置
JP5748096B2 (ja) 2011-02-09 2015-07-15 株式会社リコー 電子機器及び情報表示方法
JP5695933B2 (ja) * 2011-02-22 2015-04-08 キヤノン電子株式会社 シート搬送装置及び原稿情報読取装置
JP2014200924A (ja) * 2013-04-01 2014-10-27 株式会社リコー 画像形成装置
JP6160328B2 (ja) * 2013-07-23 2017-07-12 コニカミノルタ株式会社 画像形成装置
USD778984S1 (en) * 2015-01-30 2017-02-14 Samsung Electronics Co., Ltd. Paper support for multi-function printer
JP6622524B2 (ja) * 2015-09-08 2019-12-18 キヤノン電子株式会社 シート処理装置及び画像読取装置
JP7301598B2 (ja) * 2019-05-11 2023-07-03 キヤノン株式会社 画像形成装置
JP7379972B2 (ja) 2019-09-11 2023-11-15 株式会社リコー 引き出し機構及び画像形成装置
JP7408986B2 (ja) 2019-10-07 2024-01-09 株式会社リコー 画像形成装置

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Cited By (4)

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Publication number Priority date Publication date Assignee Title
US20190361381A1 (en) * 2018-05-28 2019-11-28 Ricoh Company, Ltd. Image forming apparatus
US10725419B2 (en) * 2018-05-28 2020-07-28 Ricoh Company, Ltd. Image forming apparatus including an internal space
US20220103708A1 (en) * 2020-09-29 2022-03-31 Canon Kabushiki Kaisha Image forming apparatus
US11652937B2 (en) * 2020-09-29 2023-05-16 Canon Kabushiki Kaisha Image forming apparatus

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US20090060612A1 (en) 2009-03-05
JP2009063625A (ja) 2009-03-26

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